It might look like a cross between an SUV and an A1, but according to the company, the Audi Crosslane Coupe Concept ($TBA) puts an extreme stress on the "Coupe". Built atop a Multimaterial Space Frame, it's powered by a plug-in hybrid drive that pairs a 1.5L three-cylinder TFSI engine and two electric motors, giving it 177 hp, a 0-62 mph time of 8.6 seconds, and astonishing 213 mpg fuel economy. Other features include a 2+2 seat layout, a unique electrically-powered trunk, trapezoidal LED headlights, and a stylish interior.

We've seen a Porsche SUV, a Porsche Sedan, but a Porsche wagon? Yup, that's exactly what the Porsche Panamera Sport Turismo Concept ($TBA) brings to the table. The surprisingly sleek Sport Turismo seems to borrow inspiration from the Cayenne, 911, and Boxster, with an agressive front end with LED headlights, a more distinctly sloped rear with LED tail lights, and an adaptive carbon rear spoiler. Power is supplied by a new plug-in e-hybrid system that combines a 95hp electric motor with a 333hp supercharged V6, all of which means a 0-62 mph time of under six seconds. Of course, this is a concept, so it also features a new crazy blue paint job, an unrealistically futuristic interior, and no guarantee that it will ever come to market.

When is a car even more nebulous than a concept? When it's a "design study". The McLaren P1 ($TBA) is a perfect example. While the design of the final product is sure to be close to what we're viewing here — and that's certainly a good thing — the specs are shrouded in mystery. All we're promised is "the best driver's car in the world on the road and track", which we hope is good enough for anyone ponying up the cash for this beast when it goes on sale in the next year.

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Most concepts arrive with no clue as to whether they'll ever become reality, but luckily for our European friends it appears the Peugeot RCZ R Concept ($TBA) — or something very similar — will be rolling out to dealerships at the end of 2013. Details remain scant, but we do know that the 1.6L THP engine will give it 260 hp, making it the most powerful production model in Peugeot history, and that it sports a racy body and a Torsen limited slip differential. No word on whether the concept's surprisingly catchy black and copper paint scheme will make the cut.

How do you make a car as stylish as the BMW Zagato Coupe even better? Chop off the roof, of course. The new BMW Zagato Roadster ($TBA), is, like its predecessor, based on the Z4, and features a similarly upgraded body and interior, including 19-inch light-alloy wheels, an exclusive gray exterior paint finish, brown, leather-wrapped roll bars inspired by airplane design, and a more elegant tail end. Unfortunately, it shares something else with its stablemate — it's not for sale.